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David A. Schlangen

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  • Red Wing, MN, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Safety Harness with Self-Locking Dorsal Brace
    • Publication number 20220355134
    • Publication date Nov 10, 2022
    • 3M Innovative Properties Company
    • Christopher S. McLeod
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    INTEGRAL SAFETY HARNESS CONNECTOR ASSEMBLY
    • Publication number 20160361577
    • Publication date Dec 15, 2016
    • D B INDUSTRIES, LLC
    • Judd J. Perner
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    ENERGY ABSORBER ASSEMBLY AND COMPONENTS THEREOF
    • Publication number 20160023024
    • Publication date Jan 28, 2016
    • D B INDUSTRIES, LLC
    • Scott C. Casebolt
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    POLE CLIMBING FALL PREVENTION ASSEMBLY
    • Publication number 20150041250
    • Publication date Feb 12, 2015
    • D B INDUSTRIES, LLC
    • Clifford D. Petty
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Energy Absorber Assembly and Components Thereof
    • Publication number 20140224580
    • Publication date Aug 14, 2014
    • D B INDUSTRIES, LLC
    • Scott C. Casebolt
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    CONNECTOR FOR LIFELINES
    • Publication number 20130104374
    • Publication date May 2, 2013
    • D B Industries, Inc.
    • David A. Schlangen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    ENERGY ABSORBER
    • Publication number 20130105246
    • Publication date May 2, 2013
    • D B Industries, Inc.
    • David A. Schlangen
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    POLE CLIMBING FALL PREVENTION ASSEMBLY
    • Publication number 20110214941
    • Publication date Sep 8, 2011
    • D B Industries, Inc.
    • Clifford D. Petty
    • A63 - SPORTS GAMES AMUSEMENTS